Microsoft and Teredo

Thu May 31 12:58:15 UTC 2007

In windows, you have IPv6 firewall, so even if Teredo traverses the "IPv4
security", there is still something there.

A good description of all this is available at:


> De: Adrian Chadd <adrian at>
> Responder a: <owner-nanog at>
> Fecha: Thu, 31 May 2007 19:41:48 +0800
> Para: Sean Siler <Sean.Siler at>
> CC: Nathan Ward <nanog at>, Nanog <nanog at>
> Asunto: Re: Microsoft and Teredo
> On Thu, May 31, 2007, Sean Siler wrote:
>> Nathan,
>> While these are really good questions, I'm afraid I don't have really good
>> answers to them yet.  We haven't made the bits available for customers to
>> install their own Teredo Servers/Relays at this point, and because we
>> haven't, we also don't have good deployment guidance to go along with that.
>> I have my own feelings, but let me ask this: what do you all feel about
>> installing a Teredo server in order to provide v6 connectivity to your
>> clients? Is this something that you are really interested in?
> I'd prefer to throw IPv6 network ranges at customer links, so they can have
> "other" devices on IPv6. IPv6 isn't just for desktops.
> How's Teredo servers tie into network security? Does the act of tunneling
> from v4 to a v6 broker bypass firewalls, IDSes, etc?
> Adrian

The IPv6 Portal:

Bye 6Bone. Hi, IPv6 !

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